Navajo DAM water line repairs

The Bureau of Reclamation seeks removal and replacement of failing domestic water supply piping and components at Navajo Dam, with quotes due August 21, 2026 and a mandatory site visit on August 3, 2026. This is a Total Small Business Set-Aside with a small business size standard of $41.0 million.

Place of performance is Navajo Dam, New Mexico, 1281 Highway 511, Navajo Dam, NM 87419. Work occurs Monday through Friday, 7:30 a.m. to 3:30 p.m., from October 1, 2026 through November 30, 2026. The contractor must access a fenced and locked site requiring a Reclamation escort.

The scope includes replacing approximately 1,000 feet of 3-inch diameter galvanized steel pipe downstream of the water line connection with two valves and a strainer connecting to a 6-inch diameter penstock gate bypass line, and repairing a leaking transition connection between galvanized steel and polyvinyl chloride piping in a buried vault. All replacement components must be galvanized steel with flanged or threaded connections rated for minimum 170 psi pressure complying with specified ASTM standards. System installation must be completed within 96 hours of shutdown, followed by leak testing at full pressure for minimum two hours with zero leaks required; any repairs are the contractor's responsibility at no cost to the government.

The contractor must provide all labor, materials, equipment, site restrooms, and a Safety Plan prior to work commencement. Award will be made to the responsible offeror whose offer is the lowest priced, technically acceptable offer based on evaluation of technical approach, quality control plan, personnel qualifications, past performance, and price. A payment bond or irrevocable letter of credit equal to 100 percent of the contract price must be submitted within 21 days of award. Questions are due August 7, 2026. All invoices must be submitted through the U.S. Department of Treasury's Invoice Processing Platform System. Service Contract Act prevailing wage rates apply (updated July 21, 2026 via Amendment 0001). NAICS code 221310, PSC Z2NE.